Schematic diagram of an automatic boost-pressure regulator.
| Identifier | WestWitteringFiles\S\September1928-October1928\ Scan146 | |
| Date | 8th October 1928 | |
| AUTOMATIC BOOST-PRESSURE REGULATOR. SUPERCHARGER PRESSURE ISOLATING TAP. VALVE. DEPRESSION CAM WORKING AS THROTTLE-STOP PILOTS HAND THROTTLE USUAL FRICTION DEVICE 8/10/28. | ||
From the Rolls-Royce experimental archive: a quarter of a million communications from Rolls-Royce, 1906 to 1960's. Documents from the Sir Henry Royce Memorial Foundation (SHRMF).